#556983

#556983

Color Values

HEX

#556983

RGB

85, 105, 131

HSL

213.9, 21.3%, 42.4%

HSV

213.9, 35.1%, 51.4%

CMYK

35.1%, 19.8%, 0.0%, 48.6%

OKLCH

0.5147 0.048 255.2

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#556983

#836F55

Analogous

#558083

#585583

#556983

Triadic

#556983

#835569

#698355

Split Complementary

#556983

#835855

#808355

Tetradic

#556983

#835580

#836F55

#558358

Color Blindness Simulation

Original

#556983

Protanopia

#5E5E7D

Deuteranopia

#5C5B7B

Tritanopia

#567877

Achromatopsia

#676767

CSS Usage

background-color: #556983;
color: #556983;
border-color: #556983;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DAE3
300
#B5C0CF
400
#8D9EB5
500
#647C9B
600
#50637C
700
#404F63
800
#323E4D
900
#272F3A
950
#191E24

Contrast Checker

Text on white

5.62:1

AA Pass AAA Fail

Text on black

3.73:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026